Document KGxk98mzDgJDZpK45qo54OYeo

TYPE APPROVAL CERTIFICATE Certificate No. Product Manufacturer : RTD38041-SE001 Initial Approval : 7th June, 2019 : Stern Tube Sealing device : AEGIR-Marine Molenvliet 34 3961 MV Wijk bjj Duurstede The Netherlands Product Description : - Kind : Oil Lubricated Stern Tube Sealing Device - Type : AFT PRIME seal Standard type FWD PRIME seal Standard type AFT PRIME seal Secure type " See Appendix 1 " Approval Condition : " See Appendix 1 " THIS IS TO CERTIFY that the above-mentioned product has been approved in accordance with the relevant requirement of this Society's Rules and / or of the recognized standards as follows and entered in the "List of Approved Manufacturers and Type Approved Equipment". Pt. 5, Ch. 3, Art. 206 of the Rules for Classification, Steel Ships. This Certificate is valid until 6th June, 2024 Issued at Busan, Korea on 7th June, 2019 This certificate is signed electronically in accordance with IMO FAL.5/Circ.39/Rev.2. Validation and authentication of the certificate can be confirmed from "http://e-cert.krs.co.kr" by using the tracking No (ME19014075453) and certificate No.(RTD38041 -SE001). KOREAN REGISTER OF SHIPPING General Manager of Marine & Ocean Equipment Team Note : 1. This certificate will be valid subject to complying with the approval conditions described on the certificate and/or on the Rules of this Society. 2. This certificate will be invalid from the expiry date aforementioned unless the extension or renewal has been granted to the applicant or the manufacturer. 3. Any significant modifications or changes in design or construction to the above product without approval from this Society will render this certificate invalid. 4. Should the specified rules, regulations or standards be amended during the validity of this certificate, the product is to be re-approved by this Society in accordance with the requirements as amended. Form AC-2A (2019.01) 1/2 Appendix 1 Product Description and/or Approval Condition Certificate No : RTD38041-SE001 Date of Issue : 7th June, 2019 A. Product Description 1. Product Specification 1) Type : AFT PRIME seal Standard type (3 seal rings) - Seal Size : 155 ~ 1250 mm - Shaft Dia. : 145 ~ 1150 mm 2) Type : FWD PRIME seal Standard type (2 seal rings) - Seal Size : 125 ~ 1250 mm - Shaft Dia. : 115 ~ 1150 mm 3) Type : AFT PRIME seal Secure type (3 seal rings with 1 backup seal ring) - Seal Size : 155 ~ 1250 mm - Shaft Dia. : 145 ~ 1150 mm 4) Oil Viscosity : 64 - 320 cSt. at 40 (According to manufaturere's standard lubricant list.) 5) Oil Temperature : Below 55(Only for EAL Oil) 6) Seal Material : FKM(Viton) 2. Approved Drawings and Documents 1) FWD PRIME seal standard type 1101-20000-00 2) AFT PRIME seal standard type 1101-10000-00. 1101-10000-13 3) AFT PRIME seal secure type 1102-10000-00 3. Test Reports, etc. 1) No. 2018-CLAS-001-001 dated 11 April 2019 witnessed by Class NK. B. Approval Condition 1. Application & Limitation 1) The stern tube seal is approved for mineral oils by taking the type test with mineral oil only. 2) Environmentally Acceptable Lubricants(EALs) may only be used according to manufaturere's standard lubricant list. 2. Individual Product Cert. and Drawing Approval Requirement 1) Individual Product Certification is not required. 3. Marking 1) The product or packing is to be marked with manufacturer's name or trademark and type number designation on a suitable position. 4. Others 1) The manufacturer takes the responsibility to inform shipbuilders or their sub-contractors of the proper methods of fitting, use and general maintenance of the approved equipment and the conditions of this approval. < End of Certificate > Form AC-2A (2019.01) 2/2